Drilling

Product Description

Bentonite is the main component of water based drilling fluid, which is a vital element of drilling process. Bentonite is used as a mud constituent for oil and water well drilling. Its roles are mainly to seal the borehole walls, to remove drill cuttings and to lubricate the cutting head.

Bentonite has high swelling and good colloidal nature, which can increase the viscosity of suspension in the drilling mud and also can increase the lubrication of drilling, as well as for the rig-freeing agent.  Drillers pump slurry of Bentonite, water and other additives down through the drill string. The fluid rises back up along the outside of the drill string, carrying the drill cuttings (soil and crushed rock) out with it. The binding of Bentonite to the cuttings aids in the removal of this debris. It is useful in the sealing of drill holes to avoid drill hole ruptures and seepage.

Our Bentonite is developed from selected raw materials with optimum treatment of chemicals to provide best quality product. Main advantages of Our Bentonite are :

  • ·     Bottom hole cleaning & removal of cuttings to the surface
  • ·     Controlling high pressure zone
  • ·     Cooling and lubricating drilling equipment
  • ·     Forming bore hole wall supporting filter cake
  • ·     Promotes bore hole stability
  • ·     Low filter loss

Bentonite Drilling grades as per API standard

API 13 – Section 9

Property

Typical Value

Viscometer dial reading at 600 r/min

30 Minimum

Yield Point/Plastic Viscosity Ratio

3,0 Maximum

Filtrate Volume

15,0 Maximum

Residue of diameter > 75µm

4,0 % Maximum

 

API 13 – Section 11 (OCMA
Grade)

Property

Typical Value

Viscometer dial reading at 600 r/min

30 Minimum

Yield Point/Plastic Viscosity Ratio

6,0 Maximum

Filtrate Volume

16,0 Maximum

Residue of diameter > 75µm

2,5 % Maximum

We also have specially developed high viscosity grades for modern trenchless drilling practices like HDD & vertical drilling, HDB, tunneling, etc.